When should I plant grass seed in Central Illinois?

Asked By: Noelia El Arabi | Last Updated: 17th March, 2020
Category: home and garden landscaping
4/5 (355 Views . 34 Votes)
Planting grass seed in Illinois should be done between August 15 and October 1. Seeding in late summer/early fall provides warm soils, cool temperatures, and autumn rains that create a good environment for seed germination.

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Similarly, it is asked, when should I plant grass seed in Central Illinois spring?

Mid August to early September is the ideal time for seeding lawns in northern Illinois. April would be a second choice. Seeding in late spring through mid-summer often leads to problems as the summer heat slows or stops grass development of our cool season grasses.

Additionally, when can I overseed my lawn in Illinois? Overseeding is the sowing of grass seed into an existing lawn. In Iowa and Illinois, the best time to overseed a lawn is late summer (late August to mid-September). Good site preparation is necessary for successful overseeding. If possible, identify and correct the problems that are causing the lawn to decline.

Additionally, what is the best grass seed for Central Illinois?

Best Lawn Grass Seeds For Illinois

Click Name To View Grass Seed Choice Type
Fine Fescue Blend - Legacy Cool Season
Kentucky Bluegrass - Bluegrass Supreme Cool Season
Kentucky Bluegrass - Midnight Cool Season
OSP Ryegrass Cool Season

Can you just sprinkle grass seed on lawn?

By applying grass seed over an existing lawn, you can help fill in bare spots and reinvigorate your lawn. The weather, kids, and pets can be tough on lawns. Lack of water, too much heat, wear & tear, and other problems can make it look worn and thin. You can help reinvigorate your lawn by overseeding.

32 Related Question Answers Found

Do I fertilize or seed first?

Fertilizing After Seeding
The initial fertilizer will feed the grass seeds as they begin to germinate, but because you have to keep grass seed consistently moist during this early growth period, the food will wash out of the soil relatively quickly. This application will continue to boost seed germination and growth.

Will grass seed germinate on top of soil?

Unlike larger seed types, grass sprouts cannot push through a thick soil layer because the new growth is tiny and sensitive. However, the seed cannot be fully exposed on the soil's surface either. Grasses depend on a warm soil niche with surrounding moisture for germination.

What's the best grass seed for overseeding?

Boost Your Garden with the Best Grass Seed for Overseeding
  • Jonathan Green Black Beauty Ultra Grass Seed Mix.
  • Pennington Smart Seed Fescue/Bluegrass Mix.
  • Top Choice 3-Way Perennial Ryegrass Seed Mixture.
  • TriPro Annual Ryegrass Seed.
  • Barenbrug USA Green Thumb Kentucky Bluegrass Seed.

When should I overseed my lawn in Chicago?

August. Mid- to end of August is the best time to seed bare areas of lawn, overseed thinning grass, or lay down sod. When seeding lawns, use grass seed appropriate to your site.

How much grass seed do I need for 1000 square feet?


For example, if you wish to plant a new Kentucky bluegrass lawn, the seeding rate is 2 to 3 pounds of seed per 1,000 square feet. If you are planting a tall fescue lawn, the recommended rate is 8 to 10 pounds per 1,000 square feet.

What is the best grass seed for Northern Illinois?

The Best Grass Types for Chicagoland Residents
  • Kentucky Bluegrass. One of the most popular grasses for northern Illinois is Kentucky bluegrass.
  • Tall Fescue. Tall fescue is ideal for low-maintenance areas.
  • Fine Fescue. Another choice for Chicago area residents is fine fescues.
  • Perennial Ryegrass.

How do you get grass seed to grow?

Here's how to grow a lawn from grass seed, in six simple steps.
  1. Step 1: Get rid of the old sod. Out with the old.
  2. Step 2: Test and amend your soil.
  3. Step 3: Select your grass seed.
  4. Step 4: Plant and fertilize your grass seed.
  5. Step 5: Water and watch: Your post-planting chores.
  6. Step 6: When to give new grass its first mow.

How many pounds of grass seed do I need for new grass?

How much seed you'll need depends on what kind you're getting. For example, a “sun & shade” mix takes about 6 pounds for a new 1,000 square foot lawn, 3 pounds for seeding over an existing lawn. Ryegrass takes about 10 pounds for a new lawn and 5 pounds for an existing lawn.

What seed is used for sod?

The primary cool-season turfgrass species used by sod growers are Kentucky bluegrass and tall fescue, so they are the most commonly available Sod Quality seeds. Sod quality seed is not readily available to homeowners through retail outlets.

How late can you lay sod in Chicago?


Late summer and early fall is the best time to plant sod for several reasons. With two or three months of cooler temperatures remaining within the growing season, sod is given a less stressful rooting and growth window, which is of premier importance while it is rooting in your Chicago-area (zone 5b) landscape.

Can I plant grass seed in November in Illinois?

You are describing dormant seeding, where grass seed is planted late in fall so it stays dormant until spring. For northern Illinois, the time to dormant seed would be the last week of November. The seed should be planted so there is good seed to soil contact.

Can you mix grass types?

Most grasses are a mix of more than one type, and each type serves a different function. This way, if one of the grasses performs poorly in a section of the yard, the other grasses will keep the area covered. When mixing grass seeds, it's best to incorporate all cool-season or all warm-season grasses.

What is the best looking grass?

The Best Grass Types for Your Most Luscious Lawn Ever
  • North: Kentucky Bluegrass. Cool season grasses do best in more moderate temperatures, and this grass is ideal.
  • North: Perennial Ryegrass.
  • North: Fine Fescue.
  • North/Transition: Tall Fescue.
  • Transition: Zoysia Grass.
  • Transition: Bermuda Grass.
  • South: Centipede Grass.

How do you plant grass in the spring?

Plant Grass Seed
  1. Put half the grass seeds in a drop or broadcast spreader.
  2. Turn the rake so the tines are facing up.
  3. Cover the ground with a thin layer of mulch made from wheat straw, if your lawn is uneven and prone to erosion.
  4. Water the lawn lightly each day until the grass is 2 inches tall.

Can Bermuda grass grow in Illinois?


Bermuda grass will grow in south Illinois, although the exact line where winter hardiness becomes a problem is not well defined. Bermuda grass, like most grasses, does best at a pH of 5.5 or above. Bermuda grass requires considerably more moisture than native warm-season grasses.

What kind of sod should I use?

Cool-season grasses (fescue, bluegrass) do best in Northern climates, while warm-season grasses (St. Augustine, zoysia) fare better in Southern climates. A grass variety recommended for one area of the country may be discouraged for use in another area.

What's the best grass seed for my area?

  1. Zenith Zoysia Grass Seed : Great Choice for Those Individuals in Drought Prone Areas.
  2. Pennington Smart Seed Dense Shade : Best for Shady Areas.
  3. Kentucky 31 Tall Fescue : Best for Covering Very Large Areas.
  4. X-Seed Ultra Premium : Best Mixed Seed Option for Fast Growing.